<defs>
	<filter id="dropshadow" height="130%">
		<feGaussianBlur in="SourceAlpha" stdDeviation="4"/>
			<!-- stdDeviation is how much to blur -->
			<feOffset dx="0" dy="0" result="offsetblur"/>
				<!-- how much to offset -->
				<feMerge>
					<feMergeNode/>
						<!-- this contains the offset blurred image -->
						<feMergeNode in="SourceGraphic"/>
							<!-- this contains the element that the filter is applied to -->
				</feMerge>
	</filter>
	<linearGradient id="grayscale" x1="0%" y1="0%" x2="0%" y2="100%">
		<stop offset="0%" style="stop-color:#ffffff;
		stop-opacity:1"/>
			<stop offset="100%" style="stop-color:#dcdcdc;
			stop-opacity:1"/>
	</linearGradient>
</defs>
